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Zaryn documentation

Virtualization

Every VM on seven platforms, joined to the switches it runs through.

Read-only inventory of Proxmox VE, VMware vSphere, KVM, Hyper-V, oVirt / OLVM, Nutanix AHV and OpenStack, joined to the physical network: the switch port each VM leaves by, whether it carries the VM’s VLAN, where a VM can safely move, what a switch failure takes down and when storage runs out.

For Infrastructure and virtualizationFor Network engineers
Start the tutorial →Open in Zaryn ↗
Learning path

Get started with virtualization

A guided path from "what is a VM?" to planning a migration: how virtualization and its networking work, where it goes wrong, and how Zaryn and zev show every VM, the switch port it really uses, and what breaks before it does. Pictures first, every step explained.

⏱ About 35 minutes◔ From zero to advanced
  1. Stage 1Understand
    1. What virtualization is
    2. How a VM reaches the network
    3. Where it goes wrong
  2. Stage 2Meet Zaryn
    1. What Zaryn and zev give you
    2. What it doesn't do
  3. Stage 3Set it up
    1. Make a site and start the collector
    2. Give it a read-only login
    3. Let the switches see the hosts
  4. Stage 4Use it
    1. Your first look
    2. Before you move a VM
    3. If a switch goes down
    4. Storage that fills up
  5. Stage 5Go further
    1. Who talks to whom
    2. Plan a migration in waves
    3. History, alerts and AI agents

What you can do

  • Add a cluster from any of seven platforms
  • See which switch port every VM uses
  • Check a live migration before it happens
  • Catch thin disks and storage running out
  • Plan a migration in waves from real traffic

Start here

Read these in order; the rest you can open when you need them.

  1. 1Get started with virtualizationA guided path from "what is a VM?" to planning a migration: how virtualization and its networking work, where it goes wrong, and how Zaryn and zev show every VM, the switch port it really uses, and what breaks before it does. Pictures first, every step explained.
  2. 2Virtualization: hypervisors on a siteEvery VM on Proxmox VE, VMware vSphere, KVM, Hyper-V, oVirt / OLVM, Nutanix AHV and OpenStack, joined to the physical network: the switch port each VM leaves by, whether that port carries its VLAN, where it can safely move, what a switch failure takes down, and when storage runs out. Read-only.
  3. 3Who talks to whom: flows and dependenciesNetFlow, IPFIX and sFlow from your routers and switches, IPv4 and IPv6, turned into dependencies between named VMs, devices and hosts: which services each one uses, and what moves or fails together.

Every guide in Virtualization

Get started with virtualization

A guided path from "what is a VM?" to planning a migration: how virtualization and its networking work, where it goes wrong, and how Zaryn and zev show every VM, the switch port it really uses, and what breaks before it does. Pictures first, every step explained.

Virtualization: hypervisors on a site

Every VM on Proxmox VE, VMware vSphere, KVM, Hyper-V, oVirt / OLVM, Nutanix AHV and OpenStack, joined to the physical network: the switch port each VM leaves by, whether that port carries its VLAN, where it can safely move, what a switch failure takes down, and when storage runs out. Read-only.

Often read with it

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